Societe Anonyme Belge de Constructions Aeronautiques SA is a Belgium-based company engaged in the aeronautical construction sector. It is involved in the study, design and manufacture of structural elements, fitted sub-assemblies and servo-systems for such market segments as aerospace, civil aviation and defense. In The civil aviation market segment, the Company is engaged in the pre-design, design, development, production, testing and after-sales support of metallic and composite primary and secondary structures. In the aerospace market segment, the Company is engaged in the design, development, production and testing of the Ariane European space launchers models, including Ariane 5, as well as in the Vega small launcher program. In the defense market segment, the Company is engaged in the maintenance, repair and upgrade of military aircrafts and helicopters.